John Pearson served in the British South Africa Police and later became an International Loss Adjuster in South Africa, specialising in diamond and gold related losses. He investigated major crimes, including bank heists, cash-in-transit robberies, and bullion thefts across Africa. John played a key role in assisting the South African Police during the 2001 and 2006 airport robberies at O.R. Tambo International Airport, contributing to substantial recoveries. He is well regarded in the Lloyd's of London market and advises on security for major African operations